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Pilsenite

Year of discovery: 1853 (Nagybörzsöny (Deutsch Pilsen), Hungary), 1980 (Japan)

Locality list: 2 localities of pilsenite

• Bi₄Te₃
• [Bi³⁺₄][Te₃]

• Class: Joséite (Joseite) group
• Class: Telluride

• Te => S: Ikunolite

• Te₃ => Se₂S: Laitakarite
• Te₃ => TeS₂: Joséite (Joseite)
• Te₃ => Te₂S: Joséite-B (Joseite-B)

• Color: Light gray
• Luster: Metallic
• Diaphaneity: Opaque

• Cleavage: Perfect
• Hardness: 1.5-2.5
• Density: 8.4

• System: Trigonal
• Group: (-3)m, R(-3)m
• Lattice: a=4.5, c=41.9